NLM Logo

Gases MeSH Descriptor Data 2023


MeSH Heading
Gases
Tree Number(s)
D01.362
Unique ID
D005740
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D005740
Annotation
does not include natural gas ( = NATURAL GAS see FOSSIL FUELS); does not include blood gases ( = OXYGEN /‌blood or CARBON DIOXIDE /‌blood); gas embolism = EMBOLISM, AIR; intestinal gases = GASES + INTESTINES /‌physiol unless clinically referred to as FLATULENCE (Cat C)
Scope Note
The vapor state of matter; nonelastic fluids in which the molecules are in free movement and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume, temperature, and pressure, and to condense or liquefy at low temperatures or under sufficient pressure. (Grant & Hackh's Chemical Dictionary, 5th ed)
Registry Number
0
Entry Combination
poisoning:Gas Poisoning
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2014/06/27
Gases Preferred
page delivered in 0.194s